Designed fresh-user agent guidance on AGENTS.md standard — 15.5M tokens

Designed fresh-user agent guidance on AGENTS.md standard

Claude Code Slack Channel Enterprise

DEEP WORK

Most expensive session ever

$507.20 API cost

15.5Mtokens

60prompts

121:49:05time

10,270lines

Claude Codeclaude-opus-4-7TypeScript$507.20

mostly building

Established AGENTS.md as canonical agent guidance and shipped foundational documentation for multi-week rollout.

Reconstructed from session history

Tokens / prompt258.1k

Cost / line$0.049

Cache hit98%

Burn rate$4.16/hr

Derived from this session's token and cost data. Not shown on the feed.

Building 50%Verifying 27%Thinking 18%Delegating 4%